Sanyo Denki Sanmotion R 3E S, Instruction Manual, Page: 336 / 514

8. Maintenance
8-3
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Abnormal sound occurs
■
The multi-turn part of the absolute encoder cannot be cleared by clearing the encoder
although the absolute encoder that has multi-turn is used.
Investigation Assumed causes and corrective actions
Check whether there is any problem in
mechanical attachment.
■
Observe by operating servo motor by stand
alone.
■
Check that the coupling does not have core
shift or unbalance.
Operate at a low speed and check
whether abnormal sound has periodicity.
■
Confirm that the twisted pair and shield
processing of motor encoder signal line are
correct.
■
Confirm that the wiring for motor encoder
line and servo motor power line are not
installed in the same duct.
■
Confirm that the power supply voltage is
sufficient.
Investigation Assumed causes and corrective actions
Check the setting value of system
parameter.
■
Check that the set value of the system
parameter ID11
” EN1 encoder type” is “11:
PA_C-ABS” or ”12: RA_C-ABS”.